ALTUS Nexto NX3004 User Manual

3. Installation
25
Serial Network Connection RS-232
The NX3010, NX3020 and NX3030 COM 1 non isolated communication interface allows the
connection to a RS-232C network. As follows it’s presented the DB9 female connector to Nexto
CPU, with identification and sign description.
Figure 3-4. DB9 Female Connector, NX3010, NX3020 and NX3030 CPUs (COM 1)
Pin
Sign
Description
1
DCD
Data Carrier Detect
2
TXD
Data Transmission
3
RXD
Data Reception
4
-
Not used
5
GND
Ground
6
-
Not used
7
CTS
Clear to Send
8
RTS
Request to Send
9
-
Not used
Table 3-4. DB9 Female Connector Pin Layout, NX3010, NX3020 and NX3030 CPUs (COM 1)
RS-232C Communication
For connection to an RS-232C device, use the appropriate cable as the chapter Related Products.
Serial Network Connection RS-485/422
The NX3004/NX3005-COM 1 and NX3010/NX3020/NX3030-COM 2 isolated communication
interfaces allows the connection to a RS-485/422 network. As follows it’s presented the DB9 female
connector to Nexto CPU, with identification and sign description.

ALTUS Nexto NX3004 Specifications

General

Brand	ALTUS
Model	Nexto NX3004
Category	Processor
Language	English